What is ERD used in Elevators??

1 Answers   Emerson,

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what is the difference between general inverter and solor inverter clerly explain plz

0 Answers  

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In underground cables,we have a grading method called 'capacitance grading'.Why is it called 'capacitance grading' although we do not use any capacitor in it?

1 Answers  

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what is interpose? where it is used and why it is used?

0 Answers  

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what is the difference between earthed cables and unearthed cables

2 Answers   Bhel,

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How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

0 Answers   TCS,

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what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.

0 Answers   Bhel,

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In ac which gas will be use?

2 Answers  

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sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com

0 Answers  

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In DC current-excitation to transformer, why it sucks more current? Eventhough there is no power transfer between primary and secondary? R is very low so it should suck less current only na thn y its current increases?

2 Answers   Cairn,

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in catridge heeter  watts =110, 260 v ,  i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w  260*260=67600, and 67600/110=614.5 ohms  how to caluclate exact ohms in heetre s 

2 Answers  

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what is power factor for any engineering equipment?? what should be its value?

3 Answers   ETA,

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